156000646 has 8 divisors (see below), whose sum is σ = 239442984. Its totient is φ = 76186320.

The previous prime is 156000643. The next prime is 156000671. The reversal of 156000646 is 646000651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156000643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906895 + ... + 907066.

It is an arithmetic number, because the mean of its divisors is an integer number (29930373).

Almost surely, 2^156000646 is an apocalyptic number.

156000646 is a deficient number, since it is larger than the sum of its proper divisors (83442338).

156000646 is a wasteful number, since it uses less digits than its factorization.

156000646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814006.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 156000646 is about 12490.0218574669. The cubic root of 156000646 is about 538.3220042751.

The spelling of 156000646 in words is "one hundred fifty-six million, six hundred forty-six", and thus it is an aban number.